package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService
{
    @Autowired
    private CategoryMapper categoryMapper;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private SetmealMapper setmealMapper;

    /**
     * 新增分类
     * @param categoryDTO
     */
    @Override
    public void save(CategoryDTO categoryDTO)
    {
        //将CategoryDTO对象转为Category对象
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);

        //默认为禁用
        category.setStatus(StatusConstant.DISABLE);

        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());

        //同线程下用ThreadLocal进行通信
        category.setCreateUser(BaseContext.getCurrentId());
        category.setUpdateUser(BaseContext.getCurrentId());

        categoryMapper.insert(category);
    }

    /**
     * 分类分页查询
     * @param categoryPageQueryDTO
     * @return
     */
    @Override
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO)
    {
        PageHelper.startPage(categoryPageQueryDTO.getPage(),categoryPageQueryDTO.getPageSize());
        Page<Category> page = categoryMapper.pageQuery(categoryPageQueryDTO);

        long total = page.getTotal();
        List<Category> records = page.getResult();


        return new PageResult(total,records);
    }

    /**
     * 根据id删除分类
     * @param id
     */
    @Override
    public void delById(Long id)
    {
        categoryMapper.delById(id);
    }

    /**
     * 启用禁用分类
     * @param status
     * @param id
     */
    @Override
    public void startOrStop(Integer status, Long id)
    {
        Category category = Category.builder()
                .id(id)
                .status(status)
                .updateTime(LocalDateTime.now())
                .updateUser(BaseContext.getCurrentId())
                .build();

        categoryMapper.update(category);
    }

    /**
     *修改分类
     * @param categoryDTO
     */
    @Override
    public void update(CategoryDTO categoryDTO)
    {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);

        //设置修改时间、修改人
        category.setUpdateTime(LocalDateTime.now());
        category.setUpdateUser(BaseContext.getCurrentId());

        categoryMapper.update(category);
    }


}
